Sample: UA1877

Sample ID:	UA1877 ^[1]
Station ID:	Halfway_House
AT Num:
Volcano:
Possible source:
Eruption:
Collector:	Preece, S. J.
Date sampled:
Sample type 1:	Tephra Fall
Color:
Final unit:
Text Description:	Predominantly chunky shards and frothy pumice that is often microlitic. Some platy shards. Major and minor minerals: plagioclase and orthopyroxene. Trace minerals: clinopyroxene (?), Fe-Ti oxides.
Sample Location:

References Cited

[1] Late Pleistocene and Holocene tephrostratigraphy of interior Alaska and Yukon: Key beds and chronologies over the past 30,000 years, 2016

Davies, L. J., Jensen, B. J., Froese, D. G., and Wallace, K. L., 2016, Late Pleistocene and Holocene tephrostratigraphy of interior Alaska and Yukon: Key beds and chronologies over the past 30,000 years: Quaternary Science Reviews, v. 146, p. 28-53.

Alaska Volcano Observatory

Sample: UA1877

References Cited

[1] Late Pleistocene and Holocene tephrostratigraphy of interior Alaska and Yukon: Key beds and chronologies over the past 30,000 years, 2016